Trigonometry Vs. Geometry: How do they differ?

Trigonometry Vs. Geometry: How do they differ
Trigonometry Vs. Geometry: How do they differ

For most people, mathematics seems like a daunting subject, but I believe with its practical applications, mathematics has become an essential skill set in various fields. From engineering to finance, the study of math plays a vital role.

Trigonometry and geometry are among the two of the most popular areas of math. But what are the differences between trigonometry and geometry? Trigonometry focuses on studying triangles’ properties, particularly right triangles. In contrast, geometry studies the properties of all the geometrical figures. In addition, both trigonometry and geometry deal with shapes, sizes, and measurements.

Read on to explore the key differences between trigonometry and geometry. If you wonder ​ mathematicians use the letter X to represent the unknown in maths, I encourage you to read this article: ​​Why Do We Use The Letter X to Represent The Unknown in Maths?

What Is Trigonometry?

Trigonometry is a branch of math that deals with the relationships between the sides and angles of a right-angled triangle. It is widely used in fields such as engineering, physics, surveying, and navigation.

One thing that distinguishes trigonometry from geometry is that trigonometry is dependent on angle measurement and quantities determined by the measure of an angle (Source: Clark University)

Trigonometry plays an essential role in understanding the movement of objects and waves and modeling real-life scenarios such as tides, sound waves, and seismic waves.

If you want to learn more about trigonometry, I encourage you to watch the video below.

What Is Geometry?

Geometry is the study of shapes, sizes, and properties of figures in space. Geometry is a broad branch of math and is often divided into several parts, including plane geometry, solid geometry, and analytic geometry.

Geometry plays a vital role in fields such as architecture, design, and physics. If you also wonder what are the differences between algebra and geometry, I wrote a whole article that I encourage you to read.

Differences And Similarities Between Trigonometry And Geometry

Trigonometry and geometry have many similarities, such as involving shapes and sizes, but they have different areas of focus.

Trigonometry, for instance, focuses on the relationships between angles and sides of triangles, whereas geometry focuses on the properties of shapes and their measurements.

If you are interested in shapes and properties, you might enjoy geometry more. Still, if you prefer understanding the relationships between angles and lengths of lines, trigonometry might be more your cup of tea.

Another difference between trigonometry and geometry is the application of each field. Geometry is generally used in design, architecture, engineering, physics, and almost every field that involves the study of shapes.

On the other hand, trigonometry is heavily utilized in astronomy, navigation, physics, and engineering. Therefore, if you are interested in architecture, physics, or engineering, geometry might become your go-to option, while trigonometry may provide more value to those interested in astronomy or navigation.

Another key distinguishing feature of trigonometry is that it deals specifically with the study of angles. Trigonometry uses the three primary functions of sine, cosine, and tangent and ratios derived from them to calculate the measures of angles in a triangle. It is a widely applicable branch of mathematics used in trigonometric graphs, calculus, and physics.

In contrast, geometry applies facts and propositions to solve problems dealing with the relationship of angles to segments and shapes.

Is Geometry Harder Than Trigonometry?

For most students, trigonometry is harder than geometry, particularly in high school. However, geometry alone can also be challenging and tedious because it requires using theorems to prove properties.

So, between trigonometry and geometry, which one should you choose? It all depends on your passion:

  • If you are fascinated by the shapes around you and how they work, then geometry might be the right path for you.
  • However, if you are interested in mapping, navigation, or astronomy, trigonometry will pay dividends.

What to read next:

Wrapping Up

While trigonometry is essential for fields such as engineering and physics, Geometry is crucial for architecture and design.

I believe that with hard work and dedication, you will succeed in both trigonometry and geometry classes.


I am Altiné. I am the guy behind When I am not teaching math, you can find me reading, running, biking, or doing anything that allows me to enjoy nature's beauty. I hope you find what you are looking for while visiting

Recent Posts